Table of Contents
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Table of Contents
Related Manuals for Yamaha DE-DHT
Summary of Contents for Yamaha DE-DHT
- Page 1 DE-DHT STERN DRIVE SERVICE MANUAL 070030 6U5-28197-ZJ-11...
- Page 2 NOTICE This manual has been prepared by Yamaha primarily for use by Yamaha dealers and their trained mechanics when performing maintenance procedures and repairs to Yamaha equip- ment. It has been written to suit the needs of persons who have a basic understanding of the...
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Page 3: How To Use This Manual
HOW TO USE THIS MANUAL MANUAL FORMAT This manual provides the mechanic with descriptions of the operations of disassembly, repair, assembly and inspection, each of which is presented in a sequential, step-by-step procedure. To assist you in finding your way around this manual, the section title and major heading is given at the head of each page. - Page 4 CONSTRUCTION OF THIS MANUAL This manual consists of chapters for the main categories of subjects. (See “Symbols” on the next page.) 1st title 1 : This is a chapter with its symbol on the upper right of each page. 2nd title 2 : This title appears on the top of the each page, to the left of the chapter symbol. 3rd title 3 : This title precedes the paragraphs describing the working procedure.
- Page 5 (A) Symbols I to K in an exploded diagram in- dicate grade of lubricant and location of lu- brication point: I Apply Yamaha gear-case lubricant J Apply water resistant grease (Yamaha marine grease A) K Apply corrosion resistant grease...
- Page 7 INDEX GENERAL INFORMATION INFO SPECIFICATIONS SPEC PERIODIC INSPECTION INSP AND ADJUSTMENT UPPER UNIT HOUSING UPPER UNIT 6U41 LOWER UNIT HOUSING 6U41 LOWER 6U51 LOWER UNIT HOUSING 6U51 LOWER INTERMEDIATE ASSEMBLY STEERING SYSTEM STEER POWER TRIM SYSTEM POWR TRIM TROUBLESHOOTING TRBL SHTG...
- Page 9 INFO CHAPTER 1 GENERAL INFORMATION OUTDRIVE IDENTIFICATION ....................1-1 Intermediate Assembly ..................... 1-1 Drive Unit ........................... 1-1 Engine and Propeller Rotation ..................1-1 SAFETY PRECAUTIONS ......................1-2 Prepare for Emergencies ....................1-2 Handle Fuel Safely ......................1-2 Prevent Battery Explosion ....................1-2 Wear Protective Clothing ....................
- Page 10 INT-HDP 6U0 DP ******* INT-HDL 6U0 DL ******* Engine and Propeller Rotation Engine rotation is determined by looking at the flywheel end of the engine. The Yamaha engines covered in this manual rotate coun- terclockwise to the left as viewed from the flywheel.
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Page 11: Safety Precautions
SAFETY PRECAUTIONS INFO SAFETY PRECAUTIONS Prepare for Emergencies Be prepared for possible fires. Keep the fol- lowing items handy: ¡ First Aid Kit ¡ Fire Extinguisher ¡ Emergency Phone Numbers Handle Fuel Safely Use care when handling fuel; it is highly flam- mable. - Page 12 SAFETY PRECAUTIONS / PRE-DELIVERY IN- SPECTION INFO Keep Work Area Clean Properly ventilate your work area. Keep the shop bench and floor clean and dry. Cover all parts and part openings when they are not being worked on, to prevent foreign materials from entering and damaging the drive unit.
- Page 13 PRE-DELIVERY INSPECTION INFO Inspect Battery and Electrical Connec- tions ¡ Check the battery fluid level. ¡ The battery should be fully charged. ¡ Make sure the battery is mounted se- curely in the boat. ¡ Battery cables must be connected cor- rectly and must be tight.
- Page 14 In case of heavy propeller dam- age, you will be able to rely on the spare pro- peller to power you to a nearby port. Below is a list of Yamaha propellers avail- able through your dealer. Position No. of Blades Diameter (in.) Pitch (in.)
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Page 15: Specifications
SPEC CHAPTER 2 SPECIFICATIONS GENERAL SPECIFICATIONS ....................2-1 Outdrive Specifications ..................... 2-1 Drive Unit Dimensions ...................... 2-2 MAINTENANCE SPECIFICATIONS ..................2-3 Hydraulic Clutch System ....................2-3 Power Trim System ......................2-3 Tightening Torque ......................2-4 Calculation to Obtain the Correct Torque Wrench Reading (Setting Value) ....2-6 Tightening Torque Specifications for Standard Bolts and Nuts ........ - Page 16 Clutch system Hydraulic clutch system Drive unit oil capacity 2.4 L 2.45 L Yamaha Stern Drive Gear Oil or Hypoid Gear Drive unit recommended oil Oil (SAE90) GL-4, GL-5 or equivalent Mounting form Direct mounting on transom, gimbal ring type...
- Page 17 SPEC GENERAL SPECIFICATIONS Drive Unit Dimensions 980.8 * Dimensions are based on a boat transom angle of 13 °. Dimensions will change slightly when used on boats with transom angles other then 13 °.